Finding the Third Proportional to 1,718,912 and 3,642,723

Step by Step Solution

1. Step 1: Write the proportion equation
   1,718,912 : 3,642,723 = 3,642,723 : x
2. Step 2: Convert to fraction form
   1,718,912/3,642,723 = 3,642,723/x
3. Step 3: Cross multiply
   1,718,912x = 3,642,723 × 3,642,723
4. Step 4: Simplify right side
   1,718,912x = 13,269,430,854,729
5. Step 5: Solve for x
   x = 13,269,430,854,729/1,718,912
6. Step 6: Final answer
   x = 7,719,668.52